Optimal Coordination Time Interval for DOCRs in Presence of D-FACTS

The paper presents a LP-Dual Simplex algorithm for linear constrained optimization problems. This approach proposed for the optimal coordination of Directional Over-Current Relays (DOCRs) in compensated distribution power systems with Distribution-FACTS devises i.e. Thyristor Controlled Series Capac...

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Bibliographic Details
Published in2018 IEEE 5th International Congress on Information Science and Technology (CiSt) pp. 477 - 480
Main Authors Bougouffa, Lazhar, Chaghi, Abdelaziz
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2018
Subjects
Circuit faults
Distribution System
DOCRs
Fault currents
LP-Dual Simplex Method
Optimization
Power capacitors
Protective relaying
TCSC
Thyristors
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Summary:The paper presents a LP-Dual Simplex algorithm for linear constrained optimization problems. This approach proposed for the optimal coordination of Directional Over-Current Relays (DOCRs) in compensated distribution power systems with Distribution-FACTS devises i.e. Thyristor Controlled Series Capacitor (TCSC). The optimization problem is subject to a number of constraints which are mainly focused on the operation of the backup relay, which should operate if a primary relay fails to respond to the fault near to it, Time Dial Setting (TDS), Plug Setting (PS) and the minimum operating time of a relay. The system used to check the efficiency of the optimization algorithm which is IEEE 33-bus models.
ISSN:2327-1884
DOI:10.1109/CIST.2018.8596386